package davion.study.summercloud.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author: Davion
 * @date: 2020/6/16
 * @description:
 */
public class LoginHandleInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        Object user = request.getSession().getAttribute("user");
        if (user == null) {
            response.sendRedirect("/");
            return false;
        } else {
            return true;
        }
    }
}
